Instalations and Architecture 2012, International symposium proceedings; Ed. Prof. dr Gordana Cosic, dr Milan Radojevic, Milica Pejanovic; November 2012, University of Belgrade, Faculty of Architec...
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ACCOUNTING PRACTICE FINAL
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CONFIDENTIAL
UNIVERSITY KUALA LUMPUR Malaysian Institute of Aviation Technology FINAL EXAMINATION JAN 2011 SESSION SUBJECT CODE
:
AJD 10203
SUBJECT TITLE
:
MATERIAL AND HARDWARE
LEVEL
:
DIPLOMA
TIME / DURATION
:
1 HOUR 55 MINUTES
DATE
: INSTRUCTIONS TO CANDIDATES
1.
Please read CAREFULLY the instructions given in the question paper and answer sheets.
2.
This question paper has 11 printed pages excluding the front page.
3.
This question paper consists of two section; Section A (MCQ) and Section B (subjective/essay).
4.
Answer ALL questions in Section A. For Section B; answer and select only TWO (2) questions
5.
Please mark/write your answers on the OMR answer script and essay answer sheets provided.
Tear here
Examination Venue
Seat No.
Examination Attendance Slip Multi Choice Question (MCQ)
Name: Student Number:
UNIVERSITY
Semester & Class:
KUALA LUMPUR
Institute: Subject Name: Subject Code:
SEMESTER
Examination Date: Examination Time:
January
Signature
July
CONFIDENTIAL
Lecturer’s Name:
Others
CONFIDENTIAL
-Intentionally left blank-
CONFIDENTIAL
MATERIAL AND HARDWARE SECTION A
For Section A, please mark your answer on the “MCQ answer sheet” provided. 1.
Define acceptable bend standard for the rigid tube. A) B) C)
2.
How does the screws and bolts length measured? A) B) C)
3.
Produce a hard case over a tough core Introduce carbon into the steel Reduce the carbon in the steel
Choose the correct answer. A) B) C)
6.
Monel metal 1100 aluminium alloy 5056 aluminium alloy
The purpose of case hardening is to A) B) C)
5.
The overall length of a bolt (from under the head) and the overall length of a screw (including the head) The overall length of a countersunk screw and the non- threaded portion of a bolt The length of thread for a bolt overall length for a countersunk screw
What metal is suitable for riveting magnesium alloy? A) B) C)
4.
The bend must maintain at least 75% of the original tube diameter and is free of wrinkles and dent The bend must maintain at least 85% of the original outside diameter and is free of wrinkles and dent. The bend must maintain at least 75% of the original tube inside diameter and is free of wrinkles and dent.
AN6C-12A has an undrilled head AN6H34A has an undrilled head AN7DD7 made from corrosion resistant steel material
Brinell hardness testing measures
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A) B) C)
7.
Grip length is _________________ A) B) C)
8.
The letter T designated for annealed of a cast product only The letter F designated for fabricated The letter H designated as artificially aged
Of the listed materials listed the highest percentage of copper content is in _______________. A) B) C)
Choose the most correct answer in manufacturing of aluminium alloy A) B) C)
11.
1/4 inch diameter and 7/8 inch diameter 4 inch diameter and 7 inch length 4/32 inch diameter and 7/16 inch length
Artificial aging is also known as ______________ A) B) C)
10.
From the top to the end of the shank The threaded section of the bolt The unthreaded section of the bolt
A bolt AN4-7. What is the bolt diameter and length? A) B) C)
9.
Depth Diameter Area
7075 5056 2024
Medium carbon steels have a carbon content of A) B) C)
0.3-0.5% 0.5-0.8% 0.8-1.05%
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13.
To provide an easy and quit removal access panel a ___________ is used. A) B) C)
14.
If a hole has own oversize or if there is corrosion in the hole that can be cleaned out, the part may be made serviceable by installing __________ sleeve. A) B) C)
15.
Used when it is necessary to remove a part frequently without the use of tool. Designed for used on an engine. A second nut that is tightened against the primary nut so it cannot turn off
Bolts that is used in aircraft structure usually comes from ______________ A) B) C)
18.
Pin Turnbuckle Washer
Check nut: A) B) C)
17.
Helicoil Dzus Acres
Control cable tension is adjusted by using ______________ A) B) C)
16.
Acress sleeve Helicoil insert Dzus fastener
AN1 - AN9 AN10 - AN20 AN3 - AN20
The aircraft wood used by the FAA as the reference wood for aircraft construction is : A) B) C)
Maple White pine Sitka spruce
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19.
What type of bolt is used for flight control cable attachment that can withstand shear force? A) B) C)
20.
What is the purpose of running a cloth along the control cable? A) B) C)
21.
Crest to root Crest to crest Crest to flank
Close tolerance bolts: A) B) C)
24.
Tempering and nitriding Carburizing and nitriding Normalizing and tempering
The pitch of a screw thread is measured from A) B) C)
23.
To detect corrosion of the cable To detect broken wires of the cable To detect cable chaffing
The two type of case hardening are: A) B) C)
22.
Internal wrenching bolt Clevis bolt Raised ring
Used for the application require a bolt to be loaded in shear only Used in areas that subject to pounding load and carry triangle mark on their head High strength steel bolts used primarily in areas that are subjected to high tensile loads
In what section of FAR states that the airframes and engine required to be cleaned before performing an annual or 100 hour inspection? A) B) C)
Appendix B of FAR part 43 Appendix D of FAR part 65 Appendix D of FAR part 43
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25.
The used of unapproved _______________ A) B) C)
26.
CONFIDENTIAL
can
results
Oxygen embrittlements to the material Hydrogen embrittlements to the material The material to be rough and corrode
Which of this material is the most anodic? A) B) C)
30.
compounds
What type of corrosion attacks grain boundaries of aluminium alloy which are improper or inadequately heat treated? A) B) C)
29.
commercial
To neutralized fumes while cleaning the lead acid battery, the chemical compound that is used is _______________. A) B) C)
28.
ordinary
Select the solvent used to clean acrylic and rubber A) B) C)
27.
or
Cadmium 7075-T6 aluminum alloy Magnesium
Corrosion on aluminium alloy can be identified by ______________________ A) B)
Greenish blue powder Greyish white powder
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C)
31.
Alloys of aluminium/magnesium is usually used in the wing construction of a civil aviation because of theirs: A) B) C)
32.
Individual wires wound in 7 strands, each strand having 19 wires Individual wires wound in 19 strands, each strand having 7 wires Individual wires wound in 7 strands, each strand having 7 wires
To ensure that a turnbuckle develop full cable strength there must be no more than ________ of either end sticking out of barrel. A) B) C)
35.
Only once because the legs are spread and bent Repeatedly provided they remain good fits With a spring washer and stiff nut
The most widely used cable 7 x 19 is available in sizes from 1/8 inches up. 7 x 19 indicated that: A) B) C)
34.
Low strength/weight ratio Malleability and easily obtainable High strength/weight ratio
Nickel alloys steel split pins can be used: A) B) C)
33.
CONFIDENTIAL
Reddish brown powder
4 thread 2 thread 3 thread
Base on figure 5 choose the correct complete list of identification stamp on the flexible hose on sequence from left to right.
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A) B) C)
36.
What type of loads best can be withstand by tapered roller bearing? A) B) C)
37.
Load free attachments League free attachment Leak free attachments
Corrosion on the joint that are made from the two similar metal are normally considered as: A) B) C)
40.
Standard steel bolt Close tolerance bolts Aluminium alloy bolts
The heavy wall tubing used in some high pressure system is difficult to flare. For these application ,the flareless fitting is designated to provided: A) B) C)
39.
Axial load Radial load Axial and Radial load
Aircraft bolts with cross or asterisk marked on the bolt head are: A) B) C)
38.
System, physical code, content, physical danger, pressure and direction of flow. Content, physical code, system, physical danger, pressure and direction of flow. System, physical code, content, hazardous, pressure and direction of flow.
What is the type of lock washer that is locked the nut by bending the leg
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A) B) C)
47.
Kevlar and Nomex are the types of : A) B) C)
48.
B) C)
Composite Wood Acrylic
Anchor type Tinnerman nut are not suitable for a structural part. A) B) C)
52.
A material's tendency to return to its original shape after normal stretching and bending A material's tendency to break or shatter when exposed to stress A material's ability to be bent, formed or shaped without cracking or breaking
Coin tap test is a test to check delamination in the ___________ materials. A) B) C)
Rivet 'smoking' is an indication of what type of corrosion? A) B) C)
49.
CONFIDENTIAL
Tap washer Spring washer Shakeproof washer
True False No answer
What type of studs that has larger diameter at one end? A) B) C)
Stepped studs Plain studs Shoulder stud
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53.
When installing bolts, what position should the bolts be placed whenever possible? A) B) C)
54.
Which of this statement is related to steel making? A) B) C)
55.
Aluminium alloy surface layers and a pure aluminium core Pure aluminium surface layers on an aluminium alloy core A homogeneous mixture of pure aluminium and aluminium alloy
What is the purpose of the ‘lay line’ drawn on the outside of flexible hose during pipeline installation? A) B) C)
Choose the correct answers that indicate the highest percentage of zinc as an alloying element in aluminium alloy? A) B) C)
56.
Head on top or forward position Head on top or thread in the forward position Any position
The lay line shows the direction of the hose to be installed The lay line indicate that the hose cannot be bent when installed The lay line shows if a hose is twisted when it is installed
The digit following the designation H1, H2 and H3 indicate the degree of strain hardening. For example Hx8 mean the degree of strain hardening are : A) B) C)
Full Hard Extra Hard Half Hard
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CONFIDENTIAL
59.
The length for aircraft standard bolt with coding AN4-22 is : A) B) C)
60.
2 1/4 2 5/4 22/8
Why that is necessary to apply the thin layer of grease to the AN173 bolt before installation? A) B) C)
Prevent corrosion Reduce the torque Increase the torque
